The evils of 0.each

[Lady Michelle Bhaal]

Why doesn't 0 (Fixnum) support .each ?
1 does, so does 2, 20, 200, and so on.
Why not 0? Why doesn't 0.each simply do something 0 times?

NYARGH!

 

[Stefan Kaes]

Why doesn't 0 (Fixnum) support .each ?
1 does, so does 2, 20, 200, and so on.
Why not 0? Why doesn't 0.each simply do something 0 times?

NYARGH!

Probably a bug.

 

[Tim Sutherland]

Why doesn't 0 (Fixnum) support .each ?
1 does, so does 2, 20, 200, and so on.
Why not 0? Why doesn't 0.each simply do something 0 times?

1#each doesn't exist either.

You're probably thinking of #times, which *is* defined for 0, 1, 2, ...

 

[nobuyoshi nakada]

Hi,

At Tue, 22 Nov 2005 17:07:25 +0900,
Lady Michelle Bhaal wrote in [ruby-talk:166943]:

Why doesn't 0 (Fixnum) support .each ?

Because Fixnum doesn't have the method `each'.

1 does, so does 2, 20, 200, and so on.

All of them don't.

 

[Kero]

Why doesn't 0 (Fixnum) support .each ?
They don't, because they're single items, not lists, sets or something.

Because 0.times { } does that.
alternatively, Range#each works.